278966272

素因数分解:

$2^{12}\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 104

約数和(自身を含む): 623826560

約数和(自身を除く): 344860288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 208, 248, 256, 338, 403, 416, 496, 512, 676, 806, 832, 992, 1024, 1352, 1612, 1664, 1984, 2048, 2197, 2704, 3224, 3328, 3968, 4096, 4394, 5239, 5408, 6448, 6656, 7936, 8788, 10478, 10816, 12896, 13312, 15872, 17576, 20956, 21632, 25792, 26624, 31744, 35152, 41912, 43264, 51584, 53248, 63488, 68107, 70304, 83824, 86528, 103168, 126976, 136214, 140608, 167648, 173056, 206336, 272428, 281216, 335296, 346112, 412672, 544856, 562432, 670592, 692224, 825344, 1089712, 1124864, 1341184, 1650688, 2179424, 2249728, 2682368, 4358848, 4499456, 5364736, 8717696, 8998912, 10729472, 17435392, 21458944, 34870784, 69741568, 139483136, 278966272]

約数ペア:

[(1, 278966272), (2, 139483136), (4, 69741568), (8, 34870784), (13, 21458944), (16, 17435392), (26, 10729472), (31, 8998912), (32, 8717696), (52, 5364736), (62, 4499456), (64, 4358848), (104, 2682368), (124, 2249728), (128, 2179424), (169, 1650688), (208, 1341184), (248, 1124864), (256, 1089712), (338, 825344), (403, 692224), (416, 670592), (496, 562432), (512, 544856), (676, 412672), (806, 346112), (832, 335296), (992, 281216), (1024, 272428), (1352, 206336), (1612, 173056), (1664, 167648), (1984, 140608), (2048, 136214), (2197, 126976), (2704, 103168), (3224, 86528), (3328, 83824), (3968, 70304), (4096, 68107), (4394, 63488), (5239, 53248), (5408, 51584), (6448, 43264), (6656, 41912), (7936, 35152), (8788, 31744), (10478, 26624), (10816, 25792), (12896, 21632), (13312, 20956), (15872, 17576)]